2007705680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1320859}}^1$

素因数の和:1320891

約数の個数: 40

約数和(自身を含む): 4913599200

約数和(自身を除く): 2905893520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1320859, 2641718, 5283436, 6604295, 10566872, 13208590, 21133744, 25096321, 26417180, 50192642, 52834360, 100385284, 105668720, 125481605, 200770568, 250963210, 401541136, 501926420, 1003852840, 2007705680]

約数ペア:

[(1, 2007705680), (2, 1003852840), (4, 501926420), (5, 401541136), (8, 250963210), (10, 200770568), (16, 125481605), (19, 105668720), (20, 100385284), (38, 52834360), (40, 50192642), (76, 26417180), (80, 25096321), (95, 21133744), (152, 13208590), (190, 10566872), (304, 6604295), (380, 5283436), (760, 2641718), (1520, 1320859)]